On: Ultracapacitor Bus Recharges at Each Stop

[smanek]

To be fair, gasoline has over 30MJ/L - so a 20 gallon gas tank has well over 2,000 MJ of energy stored.

[asciilifeform → smanek]

Gasoline != capacitor.

Find out what it takes to make a tank of gas explode. For a capacitor, all you need is a short (not necessarily between the terminals, either. Anything which breaches the dielectric - like mechanical impact - will do.)